Hi, I get this error trying to start my mongo deamon:

NOTE I don't see any sizeStorer.wt in my DB folder.

2016-05-16T17:23:06.521+0200 I CONTROL [main] Hotfix KB2731284 or later update is not installed, will zero-out data files
2016-05-16T17:23:06.525+0200 I CONTROL [initandlisten] MongoDB starting : pid=7092 port=27017 dbpath=C:\charterclick\data 64-bit host=admin-PC
2016-05-16T17:23:06.525+0200 I CONTROL [initandlisten] targetMinOS: Windows 7/Windows Server 2008 R2
2016-05-16T17:23:06.525+0200 I CONTROL [initandlisten] db version v3.2.6
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] git version: 05552b562c7a0b3143a729aaa0838e558dc49b25
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] OpenSSL version: OpenSSL 1.0.1p-fips 9 Jul 2015
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] allocator: tcmalloc
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] modules: none
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] build environment:
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] distmod: 2008plus-ssl
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] distarch: x86_64
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] target_arch: x86_64
2016-05-16T17:23:06.526+0200 I CONTROL [initandlisten] options: { storage:

}
2016-05-16T17:23:06.528+0200 I STORAGE [initandlisten] wiredtiger_open config: create,cache_size=1G,session_max=20000,eviction=(threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),checkpoint=(wait=60
,log_size=2GB),statistics_log=(wait=0),
2016-05-16T17:23:07.417+0200 E STORAGE [initandlisten] WiredTiger (-28998) [1463412187:416287][7092:2000109280], file:sizeStorer.wt, WT_SESSION.open_cursor: C:\charterclick\data\sizeStorer.wt: handle-open: CreateFileA: Impossibile trovare il file specificato.
2016-05-16T17:23:07.417+0200 I - [initandlisten] Invariant failure: ret resulted in status UnknownError: -28998: Impossibile trovare il file specificato.
at src\mongo\db\storage\wiredtiger\wiredtiger_size_storer.cpp 67
2016-05-16T17:23:09.234+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\util\stacktrace_windows.cpp(174) mongo::printStackTrace+0x43
2016-05-16T17:23:09.234+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\util\log.cpp(136) mongo::logContext+0xb0
2016-05-16T17:23:09.234+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\util\assert_util.cpp(164) mongo::invariantOKFailed+0x139
2016-05-16T17:23:09.235+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\db\storage\wiredtiger\wiredtiger_size_storer.cpp(67) mongo::WiredTigerSizeStorer::WiredTigerSizeStorer+0x1d1
2016-05-16T17:23:09.235+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\db\storage\wiredtiger\wiredtiger_kv_engine.cpp(263) mongo::WiredTigerKVEngine::WiredTigerKVEngine+0x95a
2016-05-16T17:23:09.235+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\db\storage\wiredtiger\wiredtiger_init.cpp(85) mongo::`anonymous namespace'::WiredTigerFactory::create+0x1a3
2016-05-16T17:23:09.235+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\db\service_context_d.cpp(148) mongo::ServiceContextMongoD::initializeGlobalStorageEngine+0x88a
2016-05-16T17:23:09.235+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\db\db.cpp(560) mongo::_initAndListen+0x5b6
2016-05-16T17:23:09.236+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\db\db.cpp(741) mongo::initAndListen+0x27
2016-05-16T17:23:09.236+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\db\db.cpp(974) mongoDbMain+0x216
2016-05-16T17:23:09.236+0200 I CONTROL [initandlisten] mongod.exe ...\src\mongo\db\db.cpp(780) wmain+0x35
2016-05-16T17:23:09.236+0200 I CONTROL [initandlisten] mongod.exe f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c(623) __tmainCRTStartup+0x10f
2016-05-16T17:23:09.236+0200 I CONTROL [initandlisten] kernel32.dll BaseThreadInitThunk+0xd
2016-05-16T17:23:09.236+0200 I CONTROL [initandlisten]
2016-05-16T17:23:09.236+0200 I - [initandlisten]

***aborting after invariant() failure